Table 1.
Demographics, cognitive testing and peak VO2 of all individuals and those of the top performers on the CPX (RER>1.1).
| All Individuals (n=59) | Top CPX Performers (n=26) | |||||
|---|---|---|---|---|---|---|
| Age (y) | 72.7 (5.2) | 71.5 (5.5) | ||||
| Females (%) | 59.3 | 53.4 | ||||
| Education (y) | 16.0 (2.6) | 16.1 (2.7) | ||||
| Group Assignment | ||||||
| No treatment control | 19 | 11 | ||||
| 75min/wk | 16 | 9 | ||||
| 150min/wk | 15 | 4 | ||||
| 225min/wk | 9 | 2 | ||||
| Cognitive Test Measures | Baseline | Week 26 | Change | Baseline | Week 26 | Change |
| Memory | 0.52 (0.86) | 0.93 (0.74) | 0.41 (0.74) | 0.50 (0.87) | 0.99 (0.85) | 0.50 (0.77) |
| Speed | 0.26 (0.57) | 0.37 (0.56) | 0.12 (0.39) | 0.24 (0.55) | 0.38 (0.51) | 0.14 (0.40) |
| Attention | −0.17 (0.77) | −0.07 (0.81) | 0.09 (0.55) | −0.05 (0.81) | 0.04 (0.85) | 0.09 (0.57) |
| Executive Function | −0.05 (0.91) | 0.14 (0.84) | 0.18 (0.87) | 0.35 (0.96) | 0.26 (0.83) | 0.22 (0.41) |
| Language | 0.36 (0.64) | 0.44 (0.61) | 0.08 (0.42) | 0.34 (0.67) | 0.48 (0.65) | 0.13 (0.41) |
| Global Cognition | 0.20 (0.49) | 0.33 (0.46) | 0.13 (0.29) | 0.23 (0.53) | 0.39 (0.50) | 0.16 (0.29) |
| Peak VO2, mL*kg−1*min−1 | 22.2 (4.5) | 23.3 (4.9) | 1.0 (2.0) | 23.2 (4.4) | 24.3 (5.0) | 1.1 (2.1) |
| Percent change in peak VO2 | 4.8 (9.0) | 4.8 (9.0) | ||||
Note. CPX = cardiopulmonary exercise test; RER = respiratory exchange ratio